CN114018795B - SF6 density relay vibration-proof oil aging test box and test method - Google Patents

SF6 density relay vibration-proof oil aging test box and test method Download PDF

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Publication number
CN114018795B
CN114018795B CN202111306191.0A CN202111306191A CN114018795B CN 114018795 B CN114018795 B CN 114018795B CN 202111306191 A CN202111306191 A CN 202111306191A CN 114018795 B CN114018795 B CN 114018795B
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oil
test
vibration
proof
density relay
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CN114018795A (en
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田倩倩
曾晓亮
兰新生
董仲明
胡仕红
张力
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Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
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Electric Power Research Institute of State Grid Sichuan Electric Power Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/002Test chambers
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00Investigating resistance of materials to the weather, to corrosion, or to light
    • G01N17/004Investigating resistance of materials to the weather, to corrosion, or to light to light
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/26Oils; Viscous liquids; Paints; Inks
    • G01N33/28Oils, i.e. hydrocarbon liquids

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)

Abstract

The application discloses an SF6 density relay vibration-proof oil aging test box and a test method, wherein the test box comprises a fixed box body; a plurality of ultraviolet irradiation lamps, a plurality of vibration-proof oil test cups and a plurality of heating rods are arranged in the fixed box body; the ultraviolet irradiation lamps are positioned above the anti-vibration oil test cups, and the heating rods are positioned below the anti-vibration oil test cups; the anti-vibration oil test cup is used for bearing anti-vibration oil of the SF6 density relay; the ultraviolet irradiation lamp is used for irradiating the shockproof oil borne by the shockproof oil test cup; the heating rod is used for heating the shock-proof oil test cup. The aging test box provided by the application is used for carrying out a simulation test, so that the aging mechanism, aging products and the influence on the junction resistance of the anti-vibration oil are clear, and the blank of researching the aging mechanism, aging products and the influence on the node resistance of the anti-vibration oil of the SF6 density relay is filled.

Description

SF6 density relay vibration-proof oil aging test box and test method
Technical Field
The application belongs to the technical field of electric power tests, and particularly relates to an SF6 density relay vibration-proof oil aging test box and a test method.
Background
The purity and density of SF6 gas have an important impact on the insulation and arc extinction properties of the device. And in a closed container, the density of the SF6 gas can be obtained by monitoring the pressure of the SF6 gas at a certain temperature. SF6 density relay not only plays the role of instruction as the device of monitoring system pressure, but also can link relay protection device. SF6 density relay can be divided into oil-filled vibration-resistant type and oil-free type, and is usually provided with three sets of contacts inside, one set of contacts is used for alarming, two sets of contacts are used for locking or one set of contacts is used for locking, two sets of contacts are used for alarming, and the resistance value of the contacts is not higher than 1 omega. However, in actual operation, the contact resistance is increased due to aging of anti-vibration oil, deposition of lysate and the like, so that false or missed alarm or blocking signals are caused, and grid accidents are caused. At present, researches on the aging mechanism, aging products and influence on the contact resistance of the anti-vibration oil are carried out.
In summary, the present inventors have found that, in the process of implementing the technical solution of the present application, the above technology has at least the following technical problems:
in the prior art, the technical problems of undefined influence of vibration-proof oil aging mechanism, aging products and contact resistance of the oil-filled vibration-proof SF6 density relay exist.
Disclosure of Invention
The application provides an SF6 density relay anti-vibration oil aging test box, which is used for carrying out simulation test to determine the aging mechanism, aging products and the influence on the junction resistance of the anti-vibration oil, so as to fill in the blank of researching the aging mechanism, the aging products and the influence on the node resistance of the SF6 density relay anti-vibration oil.
The application is realized by the following technical scheme:
an SF6 density relay vibration-proof oil aging test box comprises a fixed box body;
a plurality of ultraviolet irradiation lamps, a plurality of vibration-proof oil test cups and a plurality of heating rods are arranged in the fixed box body;
the ultraviolet irradiation lamps are positioned above the anti-vibration oil test cups, and the heating rods are positioned below the anti-vibration oil test cups;
the anti-vibration oil test cup is used for bearing anti-vibration oil of the SF6 density relay;
the ultraviolet irradiation lamp is used for irradiating the shockproof oil borne by the shockproof oil test cup;
the heating rod is used for heating the shock-proof oil test cup.
Preferably, the plurality of ultraviolet irradiation lamps are uniformly arranged above the fixed box body;
the plurality of anti-vibration oil test cups are uniformly arranged in the middle of the fixed box body;
the heating rods are uniformly arranged below the fixed box body.
Preferably, a wire is fixed in each of the oil-proof test cups of the present application.
Preferably, each of the anti-vibration oil test cups of the present application may apply an external direct current power source.
Preferably, the external direct current power supply of the present application adopts a DC 24V or DC 110V power supply.
Preferably, the top opening of each anti-vibration oil test cup is also provided with a test cup cover;
the anti-vibration oil test cup and the cup cover of the test cup are made of glass materials.
Preferably, the test box of the application further comprises a control panel arranged on the fixed box body, wherein the control panel adopts a touch screen for realizing man-machine interaction.
Preferably, the test box of the application further comprises a temperature control system and a timing system which are arranged on the fixed box body;
the temperature control system is used for monitoring and controlling the test temperature;
the timing system is used for monitoring the irradiation time of the ultraviolet irradiation lamp.
Preferably, the fixing box body is made of stainless steel.
In a second aspect, the application provides an SF6 density relay anti-vibration oil aging test method, and the SF6 density relay anti-vibration oil aging test box is adopted to perform a simulation test on the SF6 density relay anti-vibration oil aging performance.
The application has the following advantages and beneficial effects:
by adopting the aging test box provided by the application, the simulation test research on the effects of the vibration-proof oil aging mechanism, the aging products and the contact resistance of the oil-filled vibration-proof SF6 density relay is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings:
FIG. 1 is a schematic diagram of the structure of the test chamber of the present application.
In the drawings, the reference numerals and corresponding part names:
the device comprises a 1-ultraviolet irradiation lamp, a 2-external power wire, a 3-test cup cover, a 4-test cup, a 5-heating rod, a 6-control panel, a 7-fixed box body, an 8-temperature control system and a 9-timing system.
Detailed Description
Hereinafter, the terms "comprises" or "comprising" as may be used in various embodiments of the present application indicate the presence of inventive functions, operations or elements, and are not limiting of the addition of one or more functions, operations or elements. Furthermore, as used in various embodiments of the application, the terms "comprises," "comprising," and their cognate terms are intended to refer to a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be interpreted as first excluding the existence of or increasing likelihood of one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
In various embodiments of the application, the expression "or" at least one of a or/and B "includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B or may include both a and B.
Expressions (such as "first", "second", etc.) used in the various embodiments of the application may modify various constituent elements in the various embodiments, but the respective constituent elements may not be limited. For example, the above description does not limit the order and/or importance of the elements. The above description is only intended to distinguish one element from another element. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present application.
It should be noted that: if it is described to "connect" one component element to another component element, a first component element may be directly connected to a second component element, and a third component element may be "connected" between the first and second component elements. Conversely, when one constituent element is "directly connected" to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.
The terminology used in the various embodiments of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the application. As used herein, the singular is intended to include the plural as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the application belong. The terms (such as those defined in commonly used dictionaries) will be interpreted as having a meaning that is the same as the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in connection with the various embodiments of the application.
For the purpose of making apparent the objects, technical solutions and advantages of the present application, the present application will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present application and the descriptions thereof are for illustrating the present application only and are not to be construed as limiting the present application.
Examples
Aiming at the research on the influence of the aging mechanism, aging products and the junction resistance of the oil-filled and shockproof SF6 density relay, the embodiment provides an SF6 density relay aging test box and a test method, and the aging test box provided by the embodiment is used for carrying out an aging simulation test of the oil-filled and shockproof SF6 density relay to obtain relevant data, so that the analysis on the influence of the aging mechanism, the aging products and the junction resistance and the like is realized.
As shown in fig. 1, the burn-in tester of the present embodiment includes a stationary box 7.
The fixed box 7 is internally provided with a plurality of ultraviolet irradiation lamps 1, a plurality of vibration-proof oil test cups 4 and a plurality of heating rods 5.
The plurality of ultraviolet irradiation lamps 1 of the embodiment are positioned above the plurality of anti-vibration oil test cups 4, and the plurality of heating rods 5 are positioned below the plurality of anti-vibration oil test cups 4;
the plurality of shockproof oil test cups 4 are used for bearing shockproof oil of the oil-filled shockproof SF6 density relay; the ultraviolet irradiation lamps 1 are used for irradiating the vibration-proof oil in the test cup 4, and the heating rods 5 are used for heating the vibration-proof oil test cup 4.
The plurality of ultraviolet irradiation lamps 1 of the embodiment can be uniformly arranged above the inside of the fixed box body 7; the plurality of heating rods 5 of the present embodiment may be uniformly arranged in the middle inside the fixed case 7; the plurality of heating rods 5 of the present embodiment may be uniformly disposed under the inside of the fixed case 7.
A wire is fixed in each of the oil-proof test cups 4 of the present embodiment.
Each of the anti-vibration test cups 4 of the present embodiment may be applied with a dc power source, as shown in fig. 1, through the external power lead 2. The DC power applied in this embodiment is, but not limited to, a DC 24V or DC 110V power supply.
The top opening of each anti-vibration oil test cup 4 of the embodiment is also provided with a test cup cover 3 for preventing the liquid in the test cup 4 from overflowing.
The fixed box 7 of this embodiment is further provided with a control panel 6, and the control panel 6 may use a touch screen or the like for realizing man-machine interaction.
The fixed box 7 of the embodiment is further provided with a temperature control system 8, and the temperature control system 8 is used for monitoring and controlling the test temperature.
The fixed box 7 of the embodiment is further provided with a timing system 9, and the timing system 9 is used for controlling the irradiation time of the ultraviolet irradiation lamp 1.
The fixing case 7 of the present embodiment is made of, but not limited to, stainless steel.
The test cup 4 and the test cup cover 3 of the present embodiment are made of, but not limited to, a transparent material such as glass.
The working principle of the aging test box of the embodiment is as follows:
when the oil-filled vibration-proof SF6 density relay vibration-proof oil aging test is needed, vibration-proof oil is filled into the vibration-proof oil test cup 4, then according to the test requirement, the irradiation time of an ultraviolet irradiation lamp is set through a timing system, the aging test temperature is set through a temperature control system, DC 24V or DC 110V voltage is applied to the vibration-proof oil test cup, and the vibration-proof oil is subjected to the aging simulation test.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the application, and is not meant to limit the scope of the application, but to limit the application to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the application are intended to be included within the scope of the application.

Claims (8)

1. The SF6 density relay vibration-proof oil aging test box is characterized by comprising a fixed box body (7);
a plurality of ultraviolet irradiation lamps (1), a plurality of shockproof oil test cups (4) and a plurality of heating rods (5) are arranged in the fixed box body (7);
the ultraviolet irradiation lamps (1) are positioned above the oil-proof test cups (4), and the heating rods (5) are positioned below the oil-proof test cups (4);
the anti-vibration oil test cup (4) is used for bearing SF6 density relay anti-vibration oil;
the ultraviolet irradiation lamp (1) is used for irradiating the shock-proof oil borne by the shock-proof oil test cup (4);
the heating rod (5) is used for heating the oil-proof test cup (4);
a metal wire is fixed in each shock-proof oil test cup (4);
each oil-proof test cup (4) can be applied with an external direct-current power supply.
2. The SF6 density relay vibration-proof oil aging test box according to claim 1, wherein a plurality of ultraviolet irradiation lamps (1) are uniformly arranged above the fixed box body (7);
the plurality of shockproof oil test cups (4) are uniformly arranged in the middle of the fixed box body (7);
the heating rods (5) are uniformly arranged below the fixed box body (7).
3. The SF6 density relay vibration proof oil aging test chamber of claim 1, wherein the external direct current power source is a DC 24V or DC 110V power source.
4. The SF6 density relay vibration-proof oil aging test box according to claim 1, wherein a test cup cover (3) is further arranged at the top opening of each vibration-proof oil test cup (4);
the anti-vibration oil test cup (4) and the test cup cover (3) are made of glass materials.
5. The SF6 density relay vibration-proof oil aging test chamber according to any of claims 1-4, further comprising a control panel (6) arranged on the fixed chamber (7), wherein the control panel (6) adopts a touch screen for realizing man-machine interaction.
6. An SF6 density relay oil ageing test chamber in accordance with any of claims 1-4, further comprising a temperature control system (8) and a timing system (9) arranged on the fixed housing (7);
the temperature control system (8) is used for monitoring and controlling the test temperature;
the timing system (9) is used for monitoring the irradiation time of the ultraviolet irradiation lamp (1).
7. An SF6 density relay anti-vibration oil aging test chamber according to any of claims 1-4, wherein the fixed chamber (7) is made of stainless steel.
8. An SF6 density relay anti-vibration oil aging test method is characterized in that an SF6 density relay anti-vibration oil aging test box is adopted to simulate and test the anti-vibration oil aging performance of an SF6 density relay.
CN202111306191.0A 2021-11-05 2021-11-05 SF6 density relay vibration-proof oil aging test box and test method Active CN114018795B (en)

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